Viking VK426 Technical Data Manual page 6

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Optional
Retaining Flange
2" I.D. Cored Hole
OR
2" Sch. 40 Steel
pipe sleeve
Form No. F_032319 Rev 02
© 2023 Viking Group Inc. All rights reserved
TECHNICAL DATA
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
Ensure the escutcheon plate is tight against the ceiling.
2" I.D. Cored Hole
OR
2" Sch. 40 Steel pipe sleeve
Face of fitting to
finished surface of
ceiling
1-5/16"
(33 mm)
3" or 4"
1/4" (6 mm)
(75 or 100 mm)
Figure 6: Installation Dimensions - Pendent
Ensure the escutcheon plate is tight against the wall.
Face of fitting to
finished surface
of wall
1-5/16"
1/4" (6 mm)
(33 mm)
(75 or 100 mm)
Figure 7: Installation Dimensions - HSW
January 2023
3" or 4"
INSTITUTIONAL SPRINKLERS K5.6
Upon activation,
the deflector
descends to
approximately
3/4" (19 mm)
below the
sprinkler body.
3/4" (19 mm)
Upon activation, the
deflector actuates to
approximately 7/8"
(22 mm) beyond the
sprinkler body.
7/8" (22 mm)
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